20032013331 has 96 divisors (see below), whose sum is σ = 33022080000. Its totient is φ = 11595916800.

The previous prime is 20032013327. The next prime is 20032013399. The reversal of 20032013331 is 13331023002.

20032013331 is a `hidden beast` number, since 2 + 0 + 0 + 320 + 13 + 331 = 666.

It is not a de Polignac number, because 20032013331 - 2² = 20032013327 is a prime.

It is a super-2 number, since 2×20032013331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20032013831) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57398145 + ... + 57398493.

It is an arithmetic number, because the mean of its divisors is an integer number (343980000).

Almost surely, 2^20032013331 is an apocalyptic number.

20032013331 is a deficient number, since it is larger than the sum of its proper divisors (12990066669).

20032013331 is a wasteful number, since it uses less digits than its factorization.

20032013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20032013331 its reverse (13331023002), we get a palindrome (33363036333).

The spelling of 20032013331 in words is "twenty billion, thirty-two million, thirteen thousand, three hundred thirty-one".